1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* 3 * The contents of this file are subject to the Mozilla Public 4 * License Version 1.1 (the "License"); you may not use this file 5 * except in compliance with the License. You may obtain a copy of 6 * the License at http://www.mozilla.org/MPL/ 7 * 8 * Software distributed under the License is distributed on an "AS 9 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or 10 * implied. See the License for the specific language governing 11 * rights and limitations under the License. 12 * 13 * The Original Code is the Netscape Portable Runtime (NSPR). 14 * 15 * The Initial Developer of the Original Code is Netscape 16 * Communications Corporation. Portions created by Netscape are 17 * Copyright (C) 1998-2000 Netscape Communications Corporation. All 18 * Rights Reserved. 19 * 20 * Contributor(s): 21 * 22 * Alternatively, the contents of this file may be used under the 23 * terms of the GNU General Public License Version 2 or later (the 24 * "GPL"), in which case the provisions of the GPL are applicable 25 * instead of those above. If you wish to allow use of your 26 * version of this file only under the terms of the GPL and not to 27 * allow others to use your version of this file under the MPL, 28 * indicate your decision by deleting the provisions above and 29 * replace them with the notice and other provisions required by 30 * the GPL. If you do not delete the provisions above, a recipient 31 * may use your version of this file under either the MPL or the 32 * GPL. 33 */ 34 35 /* 36 ** This is the OpenVMS machine dependant configuration file. It is based 37 ** on the OSF/1 machine dependant file. 38 */ 39 40 #ifndef nspr_openvms_defs_h___ 41 #define nspr_openvms_defs_h___ 42 43 /* 44 * Internal configuration macros 45 */ 46 47 #define PR_LINKER_ARCH "OpenVMS" 48 #define _PR_SI_SYSNAME "OpenVMS" 49 #ifdef __alpha 50 #define _PR_SI_ARCHITECTURE "alpha" 51 #else 52 #define _PR_SI_ARCHITECTURE "vax" 53 #endif 54 #define PR_DLL_SUFFIX ".so" 55 56 #define _PR_VMBASE 0x30000000 57 #define _PR_STACK_VMBASE 0x50000000 58 #define _MD_DEFAULT_STACK_SIZE 131072L 59 #define _MD_MINIMUM_STACK_SIZE 131072L 60 61 /* 62 ** This is not defined on OpenVMS. I believe its only used in GC code, and 63 ** isn't that only used in Java? Anyway, for now, let's keep the compiler 64 ** happy. 65 */ 66 #define SA_RESTART 0 67 68 /* 69 ** OpenVMS doesn't have these in socket.h. 70 ** Does in later versions! 71 */ 72 #if 0 73 struct ip_mreq { 74 struct in_addr imr_multiaddr; /* IP multicast address of group */ 75 struct in_addr imr_interface; /* local IP address of interface */ 76 }; 77 #endif 78 79 /* 80 * OSF1 needs the MAP_FIXED flag to ensure that mmap returns a pointer 81 * with the upper 32 bits zero. This is because Java sticks a pointer 82 * into an int. 83 */ 84 #define _MD_MMAP_FLAGS MAP_PRIVATE|MAP_FIXED 85 86 #undef HAVE_STACK_GROWING_UP 87 #undef HAVE_WEAK_IO_SYMBOLS 88 #undef HAVE_WEAK_MALLOC_SYMBOLS 89 #undef HAVE_BSD_FLOCK 90 91 #define NEED_TIME_R 92 93 #define HAVE_DLL 94 #define USE_DLFCN 95 96 #define _PR_POLL_AVAILABLE 97 #define _PR_USE_POLL 98 #define _PR_STAT_HAS_ONLY_ST_ATIME 99 #define _PR_NO_LARGE_FILES 100 #define _PR_STRICT_ADDR_LEN 101 102 /* IPv6 support */ 103 #ifdef _SOCKADDR_LEN 104 #define _PR_HAVE_SOCKADDR_LEN 105 #endif 106 #define _PR_HAVE_GETIPNODEBYNAME 107 #define _PR_HAVE_GETIPNODEBYADDR 108 #define _PR_HAVE_GETADDRINFO 109 #define _PR_INET6_PROBE 110 #ifdef _PR_INET6 111 #define _PR_HAVE_INET_NTOP 112 #else 113 #define AF_INET6 26 114 #ifndef AI_CANONNAME 115 #define AI_CANONNAME 0x00000002 116 struct addrinfo { 117 int ai_flags; 118 int ai_family; 119 int ai_socktype; 120 int ai_protocol; 121 size_t ai_addrlen; 122 char *ai_canonname; 123 struct sockaddr *ai_addr; 124 struct addrinfo *ai_next; 125 }; 126 #endif 127 #define AI_V4MAPPED 0x00000010 128 #define AI_ALL 0x00000008 129 #define AI_ADDRCONFIG 0x00000020 130 #endif 131 132 #define _PR_HAVE_MD_SOCKADDR_IN6 133 /* if we have a quadword field defined in the structure, then its length */ 134 /* will be a multiple of 8, and connect() won't accept 32 (it wants 28) */ 135 struct _md_in6_addr { 136 union { 137 PRUint8 _S6_u8[16]; 138 PRUint16 _S6_u16[8]; 139 PRUint32 _S6_u32[4]; 140 } _S6_un; 141 }; 142 struct _md_sockaddr_in6 { 143 PRUint16 sin6_family; 144 PRUint16 sin6_port; 145 PRUint32 sin6_flowinfo; 146 struct _md_in6_addr sin6_addr; 147 PRUint32 sin6_scope_id; 148 }; 149 150 #undef USE_SETJMP 151 152 #include <setjmp.h> 153 154 /* 155 * A jmp_buf is actually a struct sigcontext. The sc_sp field of 156 * struct sigcontext is the stack pointer. 157 */ 158 #define _MD_GET_SP(_t) (((struct sigcontext *) (_t)->md.context)->sc_sp) 159 #define PR_NUM_GCREGS _JBLEN 160 #define CONTEXT(_th) ((_th)->md.context) 161 162 /* 163 ** I am ifdef'ing these out because that's the way they are in FT. 164 */ 165 #ifndef __VMS 166 167 /* 168 ** Initialize a thread context to run "_main()" when started 169 */ 170 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 171 { \ 172 *status = PR_TRUE; \ 173 if (setjmp(CONTEXT(_thread))) { \ 174 (*_main)(); \ 175 } \ 176 _MD_GET_SP(_thread) = (long) ((_sp) - 64); \ 177 _MD_GET_SP(_thread) &= ~15; \ 178 } 179 180 #define _MD_SWITCH_CONTEXT(_thread) \ 181 if (!setjmp(CONTEXT(_thread))) { \ 182 (_thread)->md.errcode = errno; \ 183 _PR_Schedule(); \ 184 } 185 186 /* 187 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 188 */ 189 #define _MD_RESTORE_CONTEXT(_thread) \ 190 { \ 191 errno = (_thread)->md.errcode; \ 192 _MD_SET_CURRENT_THREAD(_thread); \ 193 longjmp(CONTEXT(_thread), 1); \ 194 } 195 196 #endif /* __VMS */ 197 198 /* Machine-dependent (MD) data structures */ 199 200 struct _MDThread { 201 jmp_buf context; 202 int id; 203 int errcode; 204 }; 205 206 struct _MDThreadStack { 207 PRInt8 notused; 208 }; 209 210 struct _MDLock { 211 PRInt8 notused; 212 }; 213 214 struct _MDSemaphore { 215 PRInt8 notused; 216 }; 217 218 struct _MDCVar { 219 PRInt8 notused; 220 }; 221 222 struct _MDSegment { 223 PRInt8 notused; 224 }; 225 226 /* 227 * md-specific cpu structure field 228 */ 229 #define _PR_MD_MAX_OSFD FD_SETSIZE 230 231 struct _MDCPU_Unix { 232 PRCList ioQ; 233 PRUint32 ioq_timeout; 234 PRInt32 ioq_max_osfd; 235 PRInt32 ioq_osfd_cnt; 236 #ifndef _PR_USE_POLL 237 fd_set fd_read_set, fd_write_set, fd_exception_set; 238 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 239 fd_exception_cnt[_PR_MD_MAX_OSFD]; 240 #else 241 struct pollfd *ioq_pollfds; 242 int ioq_pollfds_size; 243 #endif /* _PR_USE_POLL */ 244 }; 245 246 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 247 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 248 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 249 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 250 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 251 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 252 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 253 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 254 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 255 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 256 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 257 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 258 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 259 260 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 261 262 struct _MDCPU { 263 struct _MDCPU_Unix md_unix; 264 }; 265 266 #ifndef _PR_PTHREADS 267 #define _MD_INIT_LOCKS() 268 #endif 269 #define _MD_NEW_LOCK(lock) PR_SUCCESS 270 #define _MD_FREE_LOCK(lock) 271 #define _MD_LOCK(lock) 272 #define _MD_UNLOCK(lock) 273 #define _MD_INIT_IO() 274 #define _MD_IOQ_LOCK() 275 #define _MD_IOQ_UNLOCK() 276 277 /* 278 * The following are copied from _sunos.h, _aix.h. This means 279 * some of them should probably be moved into _unixos.h. But 280 * _irix.h seems to be quite different in regard to these macros. 281 */ 282 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 283 extern PRIntervalTime _PR_UNIX_GetInterval(void); 284 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 285 extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); 286 287 #define _MD_EARLY_INIT _MD_EarlyInit 288 void _MD_EarlyInit(void); 289 #define _MD_FINAL_INIT _PR_UnixInit 290 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 291 #define _MD_INIT_THREAD _MD_InitializeThread 292 #ifdef _VMS_NOT_YET 293 NSPR_API(void) _PR_InitThreads( 294 PRThreadType type, PRThreadPriority priority, PRUintn maxPTDs); 295 #endif 296 #define _MD_EXIT_THREAD(thread) 297 #define _MD_SUSPEND_THREAD(thread) 298 #define _MD_RESUME_THREAD(thread) 299 #define _MD_CLEAN_THREAD(_thread) 300 301 /* The following defines unwrapped versions of select() and poll(). */ 302 extern int __select (int, fd_set *, fd_set *, fd_set *, struct timeval *); 303 #define _MD_SELECT __select 304 305 #ifndef __VMS 306 #define _MD_POLL __poll 307 extern int __poll(struct pollfd filedes[], unsigned int nfds, int timeout); 308 #endif 309 310 #ifdef __VMS 311 NSPR_API(void) _PR_InitCPUs(void); 312 NSPR_API(void) _PR_MD_START_INTERRUPTS(void); 313 #endif 314 315 /* 316 * Atomic operations 317 */ 318 #include <machine/builtins.h> 319 #define _PR_HAVE_ATOMIC_OPS 320 #define _MD_INIT_ATOMIC() 321 #define _MD_ATOMIC_ADD(ptr,val) (__ATOMIC_ADD_LONG(ptr,val) + val) 322 #define _MD_ATOMIC_INCREMENT(val) (__ATOMIC_INCREMENT_LONG(val) + 1) 323 #define _MD_ATOMIC_DECREMENT(val) (__ATOMIC_DECREMENT_LONG(val) - 1) 324 #define _MD_ATOMIC_SET(val, newval) __ATOMIC_EXCH_LONG(val, newval) 325 326 extern int thread_suspend(PRThread *thr_id); 327 extern int thread_resume(PRThread *thr_id); 328 329 #endif /* nspr_openvms_defs_h___ */ 330